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1998 Chevrolet C1500 Cheyenne 4.3L MIL Lamp on
Good morning all, This truck keeps setting the P0420 dtc, and I have a feeling it's due to the aftermarket catalytic converter that has been installed, it is one of those generic looking one's with an air pipe on it that is capped off since this truck is not e...
FIX posted 8/16/2005
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Message Closed w/FIX
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29 Replies Received
29 Replies Received
Related Documents & Media | VIN | 1GEC14WZ24 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Idle, Intermittently |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
1998 Chevrolet C1500 Cheyenne
| VIN | 1GEC14WZ24 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Idle, Intermittently |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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